Teslim is designing a cover for a book. He wants to have a rectangular grid with x2 − 10x + 21 squares in it, for some positive whole number x. What are the possible side lengths for the grid? Group of answer choices (x + 3) and (x + 7) (x − 3) and (x − 7) There are no possible whole number side lengths. (x − 3) and (x + 7)

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.